VER INFORMACION

http://www.metrosantiago.cl/minisitio/vidaytrabajo/

http://books.google.com/books?id=DjMO_o0wT9cC&pg=PA168&sig=X3wZj0VlfgIFzscl-b957aeNocw#v=onepage&q&f=false

http://books.google.cl/books?id=25kM8m1MZKkC&pg=PA119&lpg=PA119&dq=mono+gonzalez+murales&source=web&ots=Eyg4VQ1-v_&sig=SSSS6JSjEoSnx4ayfgbm9SScm1Q&hl=es&sa=X&oi=book_result&resnum=1&ct=result#v=onepage&q&f=false

http://www.youtube.com/watch?v=vEMixJh0dXA


http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-90742007000200012&lng=eng&nrm=iso&tlng=eng


http://redalyc.uaemex.mx/redalyc/pdf/558/55800302.pdf